A measurement device and a measurement method thereof for image-type pulse wave transduction velocity are provided. The measurement device includes at least two light-emitting units that are utilized to radiate different tissues, at least two optical transmission units that are utilized to respectively receive and transmit optical signals reflected from the different tissues, an image sensing unit that is utilized to convert the optical signal reflected from the tissues into an image signal, a length measurement unit that is utilized to measure a distance of between the tissues, and an image analysis unit that is utilized to analyze the image signal to obtain photoplethysmograph signals of the different tissues. Physiological parameters that include a perfusion index, a respiration rate, a pulse rate, a vascular sclerosis index and a reflection index of the different tissues can be calculated by the image analysis unit in accordance with the photoplethysmograph signals of the different tissues. Meanwhile, a pulse wave transduction velocity between the different tissues can be calculated in accordance with distances of between the different tissues and the photoplethysmograph signals of the different tissues.一種影像式脈波傳導速度之量測裝置及其量測方法,此種量測裝置包括:至少二個用以照射不同部位組織之光發射單元、至少二個分別接收並傳輸不同部位組織所反映出之光訊號的光傳輸單元、一將部位組織所反映出之光訊號轉換為影像訊號的影像感測單元、一用以量測部位組織間之距離的長度量測單元、以及一用以分析該影像訊號,以取得不同部位組織之光體積變化訊號的影像分析單元。影像分析單元可根據光體積變化訊號,計算不同部位組織之生理參數,包含:灌流指標、呼吸率、脈搏速率、血管硬化指標、反射指標,並根據不同部位組織間的距離與其光體積變化訊號,計算得其部位組織間之脈波傳導速度。1、1’...部位組織10、10’...光發射單元12、12’...光傳輸單元14...影像感測單元16...長度量測單元18...影像分析單元
